Government advisers are meeting Thursday to decide if COVID-19 vaccines need updating to improve protection this fall and winter — even as a new Trump administration policy has thrown into question who may be eligible for shots.

The truth is that for most of that, for many Americans, we simply do not know the answer to whether or not they should be getting the seven or eight or nine or ten, as the current policy would have us,

Food and Drug Administration Commissioner Marty Makary promised stakeholders last week that the agency’s new Covid-19 vaccine framework would answer all of their